Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing a first embodiment of our new design; and,

FIG. 2 is a front view of a display screen or portion thereof with graphical user interface showing a second embodiment of our new design.

The dashed broken lines illustrate portions of the graphical user interface that forms no part of the claimed design. The dot-dashed broken line illustrates the display screen or portion thereof is for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 